Mercurial > hg-stable
view mercurial/server.py @ 43833:19da643dc10c
tests: finally fix up test-fuzz-targets.t
It's been failing on my workstation for a while, since I have a new enough
LLVM that I had the fuzzer goo, but not so new that I actually had
FuzzedDataProvider. This is a better solution all around in my opinion.
I _believe_ this should let us run these tests on most systems, even
those using GCC instead of clang. That said, my one attempt to test
this on my macOS laptop failed miserably, and I don't feel like doing
more work on this right now.
Differential Revision: https://phab.mercurial-scm.org/D7566
author | Augie Fackler <augie@google.com> |
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date | Fri, 06 Dec 2019 15:08:37 -0500 |
parents | eef9a2d67051 |
children | d4ba4d51f85f |
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# server.py - utility and factory of server # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import os from .i18n import _ from .pycompat import open from . import ( chgserver, cmdutil, commandserver, error, hgweb, pycompat, util, ) from .utils import procutil def runservice( opts, parentfn=None, initfn=None, runfn=None, logfile=None, runargs=None, appendpid=False, ): '''Run a command as a service.''' postexecargs = {} if opts[b'daemon_postexec']: for inst in opts[b'daemon_postexec']: if inst.startswith(b'unlink:'): postexecargs[b'unlink'] = inst[7:] elif inst.startswith(b'chdir:'): postexecargs[b'chdir'] = inst[6:] elif inst != b'none': raise error.Abort( _(b'invalid value for --daemon-postexec: %s') % inst ) # When daemonized on Windows, redirect stdout/stderr to the lockfile (which # gets cleaned up after the child is up and running), so that the parent can # read and print the error if this child dies early. See 594dd384803c. On # other platforms, the child can write to the parent's stdio directly, until # it is redirected prior to runfn(). if pycompat.iswindows and opts[b'daemon_postexec']: if b'unlink' in postexecargs and os.path.exists( postexecargs[b'unlink'] ): procutil.stdout.flush() procutil.stderr.flush() fd = os.open( postexecargs[b'unlink'], os.O_WRONLY | os.O_APPEND | os.O_BINARY ) try: os.dup2(fd, procutil.stdout.fileno()) os.dup2(fd, procutil.stderr.fileno()) finally: os.close(fd) def writepid(pid): if opts[b'pid_file']: if appendpid: mode = b'ab' else: mode = b'wb' fp = open(opts[b'pid_file'], mode) fp.write(b'%d\n' % pid) fp.close() if opts[b'daemon'] and not opts[b'daemon_postexec']: # Signal child process startup with file removal lockfd, lockpath = pycompat.mkstemp(prefix=b'hg-service-') os.close(lockfd) try: if not runargs: runargs = procutil.hgcmd() + pycompat.sysargv[1:] runargs.append(b'--daemon-postexec=unlink:%s' % lockpath) # Don't pass --cwd to the child process, because we've already # changed directory. for i in pycompat.xrange(1, len(runargs)): if runargs[i].startswith(b'--cwd='): del runargs[i] break elif runargs[i].startswith(b'--cwd'): del runargs[i : i + 2] break def condfn(): return not os.path.exists(lockpath) pid = procutil.rundetached(runargs, condfn) if pid < 0: # If the daemonized process managed to write out an error msg, # report it. if pycompat.iswindows and os.path.exists(lockpath): with open(lockpath, b'rb') as log: for line in log: procutil.stderr.write(line) raise error.Abort(_(b'child process failed to start')) writepid(pid) finally: util.tryunlink(lockpath) if parentfn: return parentfn(pid) else: return if initfn: initfn() if not opts[b'daemon']: writepid(procutil.getpid()) if opts[b'daemon_postexec']: try: os.setsid() except AttributeError: pass if b'chdir' in postexecargs: os.chdir(postexecargs[b'chdir']) procutil.hidewindow() procutil.stdout.flush() procutil.stderr.flush() nullfd = os.open(os.devnull, os.O_RDWR) logfilefd = nullfd if logfile: logfilefd = os.open( logfile, os.O_RDWR | os.O_CREAT | os.O_APPEND, 0o666 ) os.dup2(nullfd, procutil.stdin.fileno()) os.dup2(logfilefd, procutil.stdout.fileno()) os.dup2(logfilefd, procutil.stderr.fileno()) stdio = ( procutil.stdin.fileno(), procutil.stdout.fileno(), procutil.stderr.fileno(), ) if nullfd not in stdio: os.close(nullfd) if logfile and logfilefd not in stdio: os.close(logfilefd) # Only unlink after redirecting stdout/stderr, so Windows doesn't # complain about a sharing violation. if b'unlink' in postexecargs: os.unlink(postexecargs[b'unlink']) if runfn: return runfn() _cmdservicemap = { b'chgunix': chgserver.chgunixservice, b'pipe': commandserver.pipeservice, b'unix': commandserver.unixforkingservice, } def _createcmdservice(ui, repo, opts): mode = opts[b'cmdserver'] try: servicefn = _cmdservicemap[mode] except KeyError: raise error.Abort(_(b'unknown mode %s') % mode) commandserver.setuplogging(ui, repo) return servicefn(ui, repo, opts) def _createhgwebservice(ui, repo, opts): # this way we can check if something was given in the command-line if opts.get(b'port'): opts[b'port'] = util.getport(opts.get(b'port')) alluis = {ui} if repo: baseui = repo.baseui alluis.update([repo.baseui, repo.ui]) else: baseui = ui webconf = opts.get(b'web_conf') or opts.get(b'webdir_conf') if webconf: if opts.get(b'subrepos'): raise error.Abort(_(b'--web-conf cannot be used with --subrepos')) # load server settings (e.g. web.port) to "copied" ui, which allows # hgwebdir to reload webconf cleanly servui = ui.copy() servui.readconfig(webconf, sections=[b'web']) alluis.add(servui) elif opts.get(b'subrepos'): servui = ui # If repo is None, hgweb.createapp() already raises a proper abort # message as long as webconf is None. if repo: webconf = dict() cmdutil.addwebdirpath(repo, b"", webconf) else: servui = ui optlist = ( b"name templates style address port prefix ipv6" b" accesslog errorlog certificate encoding" ) for o in optlist.split(): val = opts.get(o, b'') if val in (None, b''): # should check against default options instead continue for u in alluis: u.setconfig(b"web", o, val, b'serve') app = hgweb.createapp(baseui, repo, webconf) return hgweb.httpservice(servui, app, opts) def createservice(ui, repo, opts): if opts[b"cmdserver"]: return _createcmdservice(ui, repo, opts) else: return _createhgwebservice(ui, repo, opts)